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authorJohannes Stezenbach <js@linuxtv.org>2005-09-09 13:02:34 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 13:57:38 -0700
commit6816a4c183e62bca1fa4812214e483ab503dcb7d (patch)
tree095a710b11cef31c2ef253a1e203a4c227bd063d /drivers/media/dvb/frontends/ves1820.c
parentc2026b3af0c8ad33ef253a950c271f2d0da111b6 (diff)
[PATCH] dvb: frontend: ves1820: improve tuning
Reset acgconf register after tuning to improve locking, as suggested by Marco Schluessler. Minor cleanups in ves1820_init(). Signed-off-by: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media/dvb/frontends/ves1820.c')
-rw-r--r--drivers/media/dvb/frontends/ves1820.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/media/dvb/frontends/ves1820.c b/drivers/media/dvb/frontends/ves1820.c
index 70fb44b391a..c6d276618e8 100644
--- a/drivers/media/dvb/frontends/ves1820.c
+++ b/drivers/media/dvb/frontends/ves1820.c
@@ -194,19 +194,18 @@ static int ves1820_init(struct dvb_frontend* fe)
{
struct ves1820_state* state = fe->demodulator_priv;
int i;
- int val;
ves1820_writereg(state, 0, 0);
- for (i = 0; i < 53; i++) {
- val = ves1820_inittab[i];
- if ((i == 2) && (state->config->selagc)) val |= 0x08;
- ves1820_writereg(state, i, val);
- }
+ for (i = 0; i < sizeof(ves1820_inittab); i++)
+ ves1820_writereg(state, i, ves1820_inittab[i]);
+ if (state->config->selagc)
+ ves1820_writereg(state, 2, ves1820_inittab[2] | 0x08);
ves1820_writereg(state, 0x34, state->pwm);
- if (state->config->pll_init) state->config->pll_init(fe);
+ if (state->config->pll_init)
+ state->config->pll_init(fe);
return 0;
}
@@ -234,7 +233,7 @@ static int ves1820_set_parameters(struct dvb_frontend* fe, struct dvb_frontend_p
ves1820_writereg(state, 0x09, reg0x09[real_qam]);
ves1820_setup_reg0(state, reg0x00[real_qam], p->inversion);
-
+ ves1820_writereg(state, 2, ves1820_inittab[2] | (state->config->selagc ? 0x08 : 0));
return 0;
}